Reverting to 398.. trying again with native charybdis hash
This commit is contained in:
Valery Yatsko
parent
aa3c732376
commit
58e8319c1c
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@ -287,9 +287,9 @@ struct LocalUser
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unsigned long random_ping;
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auth_request_t *auth_request;
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/* target change stuff */
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void *targets[10]; /* targets were aware of */
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rb_uint8_t targinfo[2]; /* cyclic array, no in use */
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/* target change stuff */
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uint32_t targets[10]; /* targets were aware of (fnv32(use_id(target_p))) */
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unsigned int targinfo[2]; /* cyclic array, no in use */
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time_t target_last; /* last time we cleared a slot */
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list_client_t *safelist_data;
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218
include/hash.h
218
include/hash.h
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@ -1,115 +1,103 @@
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/*
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* ircd-ratbox: A slightly useful ircd.
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* hash.h: A header for the ircd hashtable code.
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*
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* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
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* Copyright (C) 1996-2002 Hybrid Development Team
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* Copyright (C) 2002-2005 ircd-ratbox development team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
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* USA
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*
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* $Id: hash.h 24794 2007-12-28 02:36:59Z androsyn $
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*/
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#ifndef INCLUDED_hash_h
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#define INCLUDED_hash_h
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extern struct Dictionary *nd_dict;
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extern rb_dlink_list resvTable[];
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extern rb_dlink_list ndTable[];
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/* Magic value for FNV hash functions */
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#define FNV1_32_INIT 0x811c9dc5UL
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/* Client hash table size, used in hash.c/s_debug.c */
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#define U_MAX_BITS 17
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#define U_MAX (1<<U_MAX_BITS)
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/* Client fd hash table size, used in hash.c */
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#define CLI_FD_MAX 4096
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/* Channel hash table size, hash.c/s_debug.c */
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#define CH_MAX_BITS 16
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#define CH_MAX (1<<CH_MAX_BITS) /* 2^16 */
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/* hostname hash table size */
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#define HOST_MAX_BITS 17
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#define HOST_MAX (1<<HOST_MAX_BITS) /* 2^17 */
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/* RESV/XLINE hash table size, used in hash.c */
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#define R_MAX_BITS 10
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#define R_MAX (1<<R_MAX_BITS) /* 2^10 */
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#define HASH_WALK(i, max, ptr, table) for (i = 0; i < max; i++) { RB_DLINK_FOREACH(ptr, table[i].head)
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#define HASH_WALK_SAFE(i, max, ptr, nptr, table) for (i = 0; i < max; i++) { RB_DLINK_FOREACH_SAFE(ptr, nptr, table[i].head)
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#define HASH_WALK_END }
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typedef enum
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{
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HASH_CLIENT,
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HASH_ID,
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HASH_CHANNEL,
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HASH_HOSTNAME,
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HASH_RESV
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} hash_type;
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struct Client;
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struct Channel;
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struct ConfItem;
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struct cachefile;
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struct nd_entry;
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uint32_t fnv_hash_upper(const unsigned char *s, unsigned int bits, unsigned int unused);
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uint32_t fnv_hash(const unsigned char *s, unsigned int bits, unsigned int unused);
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uint32_t fnv_hash_len(const unsigned char *s, unsigned int bits, unsigned int len);
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uint32_t fnv_hash_upper_len(const unsigned char *s, unsigned int bits, unsigned int len);
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void init_hash(void);
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void add_to_hash(hash_type, const char *, void *);
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void del_from_hash(hash_type, const char *, void *);
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struct Client *find_any_client(const char *name);
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struct Client *find_client(const char *name);
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struct Client *find_named_client(const char *name);
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struct Client *find_server(struct Client *source_p, const char *name);
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struct Client *find_id(const char *name);
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struct Channel *get_or_create_channel(struct Client *client_p, const char *chname, int *isnew);
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struct Channel *find_channel(const char *name);
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rb_dlink_node *find_hostname(const char *);
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struct ConfItem *hash_find_resv(const char *name);
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void clear_resv_hash(void);
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void add_to_help_hash(const char *name, struct cachefile *hptr);
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void clear_help_hash(void);
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struct cachefile *hash_find_help(const char *name, int flags);
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void add_to_nd_hash(const char *name, struct nd_entry *nd);
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struct nd_entry *hash_find_nd(const char *name);
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void add_to_cli_fd_hash(struct Client *client_p);
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void del_from_cli_fd_hash(struct Client *client_p);
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struct Client *find_cli_fd_hash(int fd);
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void hash_stats(struct Client *);
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#endif /* INCLUDED_hash_h */
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/*
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* ircd-ratbox: A slightly useful ircd.
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* hash.h: A header for the ircd hashtable code.
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*
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* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
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* Copyright (C) 1996-2002 Hybrid Development Team
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* Copyright (C) 2002-2004 ircd-ratbox development team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*
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* $Id: hash.h 3177 2007-02-01 00:19:14Z jilles $
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*/
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#ifndef INCLUDED_hash_h
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#define INCLUDED_hash_h
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struct Dictionary;
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extern rb_dlink_list *clientTable;
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extern rb_dlink_list *channelTable;
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extern rb_dlink_list *idTable;
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extern rb_dlink_list *resvTable;
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extern rb_dlink_list *hostTable;
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extern rb_dlink_list *helpTable;
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extern struct Dictionary *nd_dict;
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/* Magic value for FNV hash functions */
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#define FNV1_32_INIT 0x811c9dc5UL
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/* Client hash table size, used in hash.c/s_debug.c */
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#define U_MAX_BITS 17
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#define U_MAX 131072 /* 2^17 */
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/* Channel hash table size, hash.c/s_debug.c */
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#define CH_MAX_BITS 16
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#define CH_MAX 65536 /* 2^16 */
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/* hostname hash table size */
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#define HOST_MAX_BITS 17
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#define HOST_MAX 131072 /* 2^17 */
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/* RESV/XLINE hash table size, used in hash.c */
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#define R_MAX_BITS 10
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#define R_MAX 1024 /* 2^10 */
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#define HASH_WALK(i, max, ptr, table) for (i = 0; i < max; i++) { RB_DLINK_FOREACH(ptr, table[i].head)
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#define HASH_WALK_SAFE(i, max, ptr, nptr, table) for (i = 0; i < max; i++) { RB_DLINK_FOREACH_SAFE(ptr, nptr, table[i].head)
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#define HASH_WALK_END }
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struct Client;
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struct Channel;
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struct ConfItem;
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struct cachefile;
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struct nd_entry;
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extern u_int32_t fnv_hash_upper(const unsigned char *s, int bits);
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extern u_int32_t fnv_hash(const unsigned char *s, int bits);
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extern u_int32_t fnv_hash_len(const unsigned char *s, int bits, int len);
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extern u_int32_t fnv_hash_upper_len(const unsigned char *s, int bits, int len);
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extern void init_hash(void);
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extern void add_to_client_hash(const char *name, struct Client *client);
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extern void del_from_client_hash(const char *name, struct Client *client);
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extern struct Client *find_client(const char *name);
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extern struct Client *find_named_client(const char *name);
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extern struct Client *find_server(struct Client *source_p, const char *name);
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extern void add_to_id_hash(const char *, struct Client *);
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extern void del_from_id_hash(const char *name, struct Client *client);
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extern struct Client *find_id(const char *name);
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extern struct Channel *get_or_create_channel(struct Client *client_p, const char *chname, int *isnew);
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extern void del_from_channel_hash(const char *name, struct Channel *chan);
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extern struct Channel *find_channel(const char *name);
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extern void add_to_hostname_hash(const char *, struct Client *);
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extern void del_from_hostname_hash(const char *, struct Client *);
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extern rb_dlink_node *find_hostname(const char *);
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extern void add_to_resv_hash(const char *name, struct ConfItem *aconf);
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extern void del_from_resv_hash(const char *name, struct ConfItem *aconf);
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extern struct ConfItem *hash_find_resv(const char *name);
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extern void clear_resv_hash(void);
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extern void hash_stats(struct Client *);
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#endif /* INCLUDED_hash_h */
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@ -246,14 +246,11 @@ extern int valid_wild_card_simple(const char *);
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extern int clean_resv_nick(const char *);
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time_t valid_temp_time(const char *p);
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struct nd_entry
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{
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char name[NICKLEN+1];
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time_t expire;
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unsigned int hashv;
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rb_dlink_node hnode; /* node in hash */
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rb_dlink_node lnode; /* node in ll */
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struct nd_entry
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{
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char name[NICKLEN+1];
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time_t expire;
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rb_dlink_node lnode; /* node in ll */
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};
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extern void add_nd_entry(const char *name);
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@ -140,7 +140,8 @@ extern int errno;
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# define __noreturn
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#endif
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/* XXX must be removed in future!!! -- dwr */
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#ifdef strdupa
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#define LOCAL_COPY(s) strdupa(s)
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#else
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@ -149,28 +150,4 @@ extern int errno;
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#else
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# define LOCAL_COPY(s) strcpy(alloca(strlen(s) + 1), s) /* XXX Is that allowed? */
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#endif /* defined(__INTEL_COMPILER) || defined(__GNUC__) */
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/* LOCAL_COPY_N copies n part of string and adds one to terminate the string */
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#ifdef strndupa
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#define LOCAL_COPY_N(s, n) strndupa(s, n)
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#else
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#if defined(__INTEL_COMPILER) || defined(__GNUC__)
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#define LOCAL_COPY_N(s, n) __extension__({ size_t _l = strlen(s); _l = n > _l ? _l : n; char *_s = alloca(_l+1); memcpy(_s, s, _l); _s[_l] = '\0' ; _s; })
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#else
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#define LOCAL_COPY_N(s, n) xc_strlcpy(alloca(strlen(s)+1), s, n)
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INLINE_FUNC size_t
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xc_strlcpy(char *dest, const char *src, size_t size)
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{
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size_t ret = strlen(src);
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if (size) {
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size_t len = (ret >= size) ? size-1 : ret;
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memcpy(dest, src, len);
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dest[len] = '\0';
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}
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return dest;
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}
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#endif /* defined(__INTEL_COMPILER) || defined(__GNUC__) */
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#endif /* strndupa */
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#endif /* strdupa */
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@ -561,63 +561,75 @@ expire_tgchange(void *unused)
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}
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}
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static int
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add_target(struct Client *source_p, struct Client *target_p)
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{
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unsigned int i, j;
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/* messaging themselves, doesnt incur any penalties */
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if(source_p == target_p)
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return 1;
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if(USED_TARGETS(source_p))
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{
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/* hunt for an existing target */
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for(i = PREV_FREE_TARGET(source_p), j = USED_TARGETS(source_p);
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j;
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--j, PREV_TARGET(i))
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{
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if(source_p->localClient->targets[i] == target_p)
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return 1;
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}
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/* first message after connect, we may only start clearing
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* slots after this message --anfl
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*/
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if(!IsTGChange(source_p))
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{
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SetTGChange(source_p);
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source_p->localClient->target_last = rb_current_time();
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}
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/* clear as many targets as we can */
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else if((i = (rb_current_time() - source_p->localClient->target_last) / 60))
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{
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if(i > USED_TARGETS(source_p))
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USED_TARGETS(source_p) = 0;
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else
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USED_TARGETS(source_p) -= i;
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source_p->localClient->target_last = rb_current_time();
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}
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/* cant clear any, full target list */
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else if(USED_TARGETS(source_p) == 10)
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{
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add_tgchange(source_p->sockhost);
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return 0;
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}
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}
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/* no targets in use, reset their target_last so that they cant
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* abuse a long idle to get targets back more quickly
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*/
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else
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{
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source_p->localClient->target_last = rb_current_time();
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SetTGChange(source_p);
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}
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source_p->localClient->targets[FREE_TARGET(source_p)] = target_p;
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NEXT_TARGET(FREE_TARGET(source_p));
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++USED_TARGETS(source_p);
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return 1;
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static int
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add_target(struct Client *source_p, struct Client *target_p)
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{
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int i, j;
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uint32_t hashv;
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/* can msg themselves or services without using any target slots */
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if(source_p == target_p || IsService(target_p))
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return 1;
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/* special condition for those who have had PRIVMSG crippled to allow them
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* to talk to IRCops still.
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*
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* XXX: is this controversial?
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*/
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if(source_p->localClient->target_last > rb_current_time() && IsOper(target_p))
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return 1;
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hashv = fnv_hash_upper((const unsigned char *)use_id(target_p), 32);
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if(USED_TARGETS(source_p))
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{
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/* hunt for an existing target */
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for(i = PREV_FREE_TARGET(source_p), j = USED_TARGETS(source_p);
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j; --j, PREV_TARGET(i))
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{
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if(source_p->localClient->targets[i] == hashv)
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return 1;
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}
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/* first message after connect, we may only start clearing
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* slots after this message --anfl
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*/
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if(!IsTGChange(source_p))
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{
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SetTGChange(source_p);
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source_p->localClient->target_last = rb_current_time();
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}
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/* clear as many targets as we can */
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else if((i = (rb_current_time() - source_p->localClient->target_last) / 60))
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{
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if(i > USED_TARGETS(source_p))
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USED_TARGETS(source_p) = 0;
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else
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USED_TARGETS(source_p) -= i;
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source_p->localClient->target_last = rb_current_time();
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}
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/* cant clear any, full target list */
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else if(USED_TARGETS(source_p) == 10)
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{
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ServerStats->is_tgch++;
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add_tgchange(source_p->sockhost);
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return 0;
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}
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}
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/* no targets in use, reset their target_last so that they cant
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* abuse a long idle to get targets back more quickly
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*/
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else
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{
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source_p->localClient->target_last = rb_current_time();
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SetTGChange(source_p);
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}
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source_p->localClient->targets[FREE_TARGET(source_p)] = hashv;
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NEXT_TARGET(FREE_TARGET(source_p));
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++USED_TARGETS(source_p);
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return 1;
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}
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/*
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1503
src/hash.c
1503
src/hash.c
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